Authors
Dariusz Bednarek
Poland
Ewelina Szacawa
Poland
Roger D. Ayling
United Kingdom of Great Britain and Northern Ireland
© 2016 Katarzyna Dudek, Dariusz Bednarek, Ewelina Szacawa, Roger D. Ayling, published by National Veterinary Research Institute in Pulawy
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.